SYMBOL

VALUE

UNIT

Zener Current (see Table “Characteristics”)

Power Dissipation at T

amb

= 25°C

P

tot

500

(1)

mW

Junction Temperature

T

j

-65 to 200

°C

Storage Temperature Range

T

S

-65 to + 200

°C

Continuous Forward Current

I

F

250

mA

Peak reverse power dissipation (non-repetitive) t

p

=100ms,

P

ZSM

40

Watts

square wave

BZX79 SERIES

SILICON PLANAR ZENER DIODES

FEATURES

The Zener voltages are graded according to the international
E 24 standard. Higher Zener voltages and 1% tolerance
available on request.

Diodes available in these tolerance series:

±2% BZX79-B
±3% BZX79-F
±5% BZX79-C

MECHANICAL DATA

Case: DO-35 Glass Case
Weight: approx. 0.13 g

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature 8unless otherwise specified

12/10/98

mi

n. 1.083 (

27.5)

mi

n. 1.083

(

2

7

.5)

max

. .

150 (

3.8)

max.

∅

Cathode

.020 (0.52)

Mark

max.

∅

.079 (2.0)

Dimensions in inches and (millimeters)

DO-35

Characteristics at Tamb = 25°C

SYMBOL

MIN. TYP.

MAX.

UNIT

Thermal Resistance

R

thJA

–

–

0.3

(1)

°C/W

Junction to Ambient Air

Forward Voltage

V

F

–

–

0.9

Volts

at I

F

= 10 mA

NOTES:
(1) Valid provided that leads are kept at ambient temperature at a distance of 8mm from case.

BZX79 – y2V4

100

< 600

– 0.08

– 0.06

50,000

1

167

450

6.0

BZX79 – y2V7

100

< 600

– 0.08

– 0.06

20,000

1

135

450

6.0

BZX79 – y3V0

95

< 600

– 0.08

– 0.06

10,000

1

125

450

6.0

BZX79 – y3V3

95

< 600

– 0.08

– 0.05

5,000

1

115

450

6.0

BZX79 – y3V6

90

< 600

– 0.08

– 0.04

5,000

1

105

450

6.0

BZX79 – y3V9

90

< 600

– 0.07

– 0.03

3,000

1

95

450

6.0

BZX79 – y4V3

90

< 600

– 0.04

– 0.01

3,000

1

90

450

6.0

BZX79 – y4V7

80

500

– 0.03

+0.01

3,000

1

85

300

6.0

BZX79 – y5V1

60

480

– 0.02

+0.05

2,000

1

80

300

6.0

BZX79 – y5V6

40

400

– 0.01

+0.06

1,000

1

70

300

6.0

BZX79 – y6V2

10

150

0

+0.07

3,000

2

64

200

6.0

BZX79 – y6V8

15

80

+0.01

+0.08

2,000

3

58

200

6.0

BZX79 – y7V5

15

80

+0.01

+0.09

1,000

5

53

150

4.0

BZX79 – y8V2

15

80

+0.01

+0.09

700

6

47

150

4.0

BZX79 – y9V1

15

100

+0.02

+0.10

500

7

43

150

3.0

BZX79 – y10

20

150

+0.03

+0.11

200

7.5

40

90

3.0

BZX79 – y11

20

150

+0.03

+0.11

100

8.5

36

85

2.5

BZX79 – y12

25

150

+0.03

+0.11

100

9

32

85

2.5

BZX79 – y13

30

170

+0.03

+0.11

100

10

29

80

2.5

BZX79 – y15

30

200

+0.03

+0.11

50

11

27

75

2.0

BZX79 – y16

40

200

+0.03

+0.11

50

12

24

75

1.5

BZX79 – y18

45

225

+0.03

+0.11

50

14

21

70

1.5

BZX79 – y20

55

225

+0.03

+0.11

50

15

20

60

1.5

BZX79 – y22

55

250

+0.03

+0.11

50

17

18

60

1.3

BZX79 – y24

70

250

+0.04

+0.12

50

18

16

55

1.3

BZX79 – y27

80

(3)

300

(4)

+0.04

(3)

+0.12

50

20

14

50

1.0

BZX79 – y30

80

(3)

300

(4)

+0.04

(3)

+0.12

50

22

13

50

1.0

BZX79 – x33

80

(3)

325

(4)

+0.04

(3)

+0.12

50

24

12

45

0.9

BZX79 – x36

90

(3)

350

(4)

+0.04

(3)

+0.12

50

27

11

45

0.8

BZX79 – x39

130

(3)

350

(4)

+0.04

(3)

+0.12

50

28

10

45

0.7

BZX79 – x43

150

(3)

375

(4)

+0.04

(3)

+0.12

50

32

9.2

40

0.6

BZX79 – x47

170

(3)

375

(4)

+0.04

(3)

+0.12

50

35

8.5

40

0.5

BZX79 – x51

180

(3)

400

(4)

+0.04

(3)

+0.12

50

38

7.8

40

0.4

BZX79 – x56

200

(3)

425

(4)

typ. +0.1

(3)

50

39

7.1

40

0.3

BZX79 – x62

215

(3)

450

(4)

typ. +0.1

(3)

50

43

6.4

35

0.3

BZX79 – x68

240

(3)

475

(4)

typ. +0.1

(3)

50

48

5.8

35

0.3

BZX79 – x75

255

(3)

500

(4)

typ. +0.1

(3)

50

53

5.3

35

0.2

BZX79 SERIES

ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Type

y = B for ±2%V

Z

y = F for ±3%V

Z

y = C for ±5%V

Z

Dynamic resistance

at

at

I

Z

= 5 mA

I

Z

= 1 mA

f = 1 kH

Z

f = 1 kH

Z

r

zj

Ω

r

zj

Ω

max.

max

Temp coefficient

of Zener Voltage

at

I

Z

= 5 mA

∝

m

VZ

%/K

min.

max.

Admissible

Zener

current

(2)

I

Z

(mA)

Capacitance

V

R

=0

f=1 MH

Z

(pF)

max.

Non-Repetitive

Peak Reverse

Currrent

at t

p

= 100

µ

s

I

ZSM

(A)

Reverse leakage

Current

I

R

at V

R

nA

V

NOTES:
(1) Tested with pulses t

p

= 5 ms.

(2) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
(3) at I

Z

= 2.0 mA

(4) at I

Z

= 0.5 mA

Y = Zener voltage tolerance designator

BZX79 – C2V4

2.20

2.60

BZX79 – C2V7

2.50

2.90

BZX79 – C3V0

2.80

3.20

BZX79 – C3V3

3.10

3.50

BZX79 – C3V6

3.40

3.80

BZX79 – C3V9

3.70

4.10

BZX79 – C4V3

4.00

4.60

BZX79 – C4V7

4.40

5.00

BZX79 – C5V1

4.80

5.40

BZX79 – C5V6

5.20

6.00

BZX79 – C6V2

5.80

6.60

BZX79 – C6V8

6.40

7.20

BZX79 – C7V5

7.00

7.90

BZX79 – C8V2

7.70

8.70

BZX79 – C9V1

8.50

9.60

BZX79 – C10

9.40

10.60

BZX79 – C11

10.40

11.60

BZX79 – C12

11.40

12.70

BZX79 – C13

12.40

14.10

BZX79 – C15

13.80

15.60

BZX79 – C16

15.30

17.10

BZX79 – C18

16.80

19.10

BZX79 – C20

18.80

21.20

BZX79 – C22

20.80

23.30

BZX79 – C24

22.80

25.60

BZX79 – C27

25.10

28.90

(3)

BZX79 – C30

28.00

32.00

(3)

BZX79 – C33

31.00

35.00

(3)

BZX79 – C36

34.00

38.00

(3)

BZX79 – C39

37.00

41.00

(3)

BZX79 – C43

40.00

46.00

(3)

BZX79 – C47

44.00

50.00

(3)

BZX79 – C51

48.00

54.00

(3)

BZX79 – C56

52.00

60.00

(3)

BZX79 – C62

58.00

66.00

(3)

BZX79 – C68

64.00

72.00

(3)

BZX79 – C75

70.00

79.00

(3)

BZX79 – F2V4

2.33

2.47

BZX79 – F2V7

2.62

2.78

BZX79 – F3V0

2.91

3.09

BZX79 – F3V3

3.20

3.40

BZX79 – F3V6

3.49

3.71

BZX79 – F3V9

3.78

4.02

BZX79 – F4V3

4.17

4.43

BZX79 – F4V7

4.56

4.84

BZX79 – F5V1

4.95

5.25

BZX79 – F5V6

5.43

5.77

BZX79 – F6V2

6.01

6.39

BZX79 – F6V8

6.60

7.00

BZX79 – F7V5

7.28

7.72

BZX79 – F8V2

7.95

8.45

BZX79 – F9V1

8.83

9.37

BZX79 – F10

9.70

10.30

BZX79 – F11

10.67

11.33

BZX79 – F12

11.64

12.36

BZX79 – F13

12.61

13.39

BZX79 – F15

14.55

15.45

BZX79 – F16

15.50

16.50

BZX79 – F18

17.50

18.50

BZX79 – F20

19.40

20.60

BZX79 – F22

21.30

22.70

BZX79 – F24

23.30

24.70

BZX79 – F27

26.20

27.80

(3)

BZX79 – F30

29.10

30.90

(3)

BZX79 – F33

32.00

34.00

(3)

BZX79 – F36

34.90

37.10

(3)

BZX79 – F39

37.80

40.20

(3)

BZX79 – F43

41.70

44.30

(3)

BZX79 – F47

45.60

48.40

(3)

BZX79 – F51

49.50

52.50

(3)

BZX79 – F56

54.30

57.70

(3)

BZX79 – F62

60.10

63.90

(3)

BZX79 – F68

66.00

70.00

(3)

BZX79 – F75

72.80

77.20

(3)

BZX79 B2V4

2.35

2.45

BZX79 B2V7

2.65

2.75

BZX79B3V0

2.94

3.06

BZX79B3V3

3.23

3.37

BZX79 B3V6

3.53

3.67

BZX79B3V9

3.82

3.98

BZX79B4V3

4.21

4.39

BZX79B4V7

4.61

4.79

BZX79B5V1

5.00

5.20

BZX79 B5V6

5.49

5.71

BZX79B6V2

6.08

6.32

BZX79B6V8

6.66

6.94

BZX79B7V5

7.35

7.65

BZX79B8V2

8.04

8.36

BZX79B9V1

8.92

9.28

BZX79B10

9.80

10.20

BZX79B11

10.80

11.20

BZX79B12

11.80

12.20

BZX79B13

12.70

13.30

BZX79B15

14.70

15.30

BZX79B16

15.70

16.30

BZX79B18

17.60

18.40

BZX79B20

19.60

20.40

BZX79B22

21.60

22.40

BZX79B24

23.50

24.50

BZX79B27

26.50

27.50

(3)

BZX79B30

29.40

30.60

(3)

BZX79B33

32.30

33.70

(3)

)

BZX79B36

35.30

36.70

(3)

BZX79B39

38.20

39.80

(3)

BZX79B43

42.10

43.90

(3)

BZX79B47

46.10

47.90

(3)

BZX79B51

50.00

52.00

(3)

BZX79B56

54.90

57.10

(3)

BZX79B62

60.80

63.20

(3)

BZX79B68

66.60

69.40

(3)

BZX79B75

73.50

76.50

(3)

BZX79 SERIES

ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Type

Zener Voltage
range

(1)

at
I

Z

= 5 mA

V

Z

V

±5% Tol.

min.

max.

Type

Zener Voltage
range

(1)

at
I

Z

= 5 mA

V

Z

V

±3% Tol.

min.

max.

Type

Zener Voltage
range

(1)

at
I

Z

= 5 mA

V

Z

V

±2% Tol.

min.

max.

See BZX79-y table for all characteristics other than zener voltage range.

BZX79 SERIES

ELECTRICAL CHARACTERISTICS

RATINGS AND CHARACTERISTIC CURVES BZX79 SERIES

RATINGS AND CHARACTERISTIC CURVES BZX79 SERIES

RATINGS AND CHARACTERISTIC CURVES BZX79 SERIES

This datasheet has been download from:

www.datasheetcatalog.com

Datasheets for electronics components.